The letters “HPUS” indicate that the component(s) in this product is (are) officially monographed in the Homeopathic Pharmacopoeia of the United States

Do not use in conjunction with glucocorticoids or other immune suppressors

Operates on a 9 volt battery (not included)

preventing grit and stones from entering and causing further damage

Ideal for use around barns

Weaver Prodigy Performance Boots for Horses, Pair Vaccine The letters “HPUS” indicate thatProdigy Performance Boots, Pair High performance athletic boots are engineered with a dynamic sling system that provides superior support and protection to the suspensory tendons and ligaments. Weaver's research and development team went above and beyond to ensure that both the wrap and sling were designed just right to ensure a perfect fit to the equine leg. Sold in pairs. Sizes: Small: Fetlock Circumference: 10", Height: 9" Medium: Fetlock